'Easy Fit' Air Vent Mount Features: As the name suggests this air vent mount is VERY easy to fit and remove. It uses a single metal spring clip mechanism which can be worked with just two fingers. No more fiddly plastic croc-clips. Works on both horizontal & vertical slats. Adjustable - The Impact Holder can be used in landscape or portrait view and can be tilted to avoid glare. Support foot offers maximum support against the air vent and reduces vibration. Requires a gap of 6mm (¼") between slats. Vent slat maximum depth 30mm.